Allview V3 Viper vs ZTE Blade A520

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    Blade A520: 13.6 g lighter

    V3 Viper:
    143.6 g
    Blade A520:
    130 g
  • Screen diagonal

    Blade A520: 0.5 in smaller diagonal

    V3 Viper:
    5.5 in
    Blade A520:
    5 in
  • Height

    Blade A520: 4.3 mm shorter

    V3 Viper:
    148.3 mm
    Blade A520:
    144 mm
  • Release year

    V3 Viper:
    2018
    Blade A520:
    2017

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. V3 Viper

    Height:
    148.3 mm +4.3 mm versus Blade A520
    Width:
    71.8 mm
    Depth:
    8.1 mm
  2. 2. Blade A520

    Height:
    144 mm
    Width:
    71 mm
    Depth:
    8.4 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. V3 Viper

    143.6 g

    +13.6 g versus Blade A520

  2. 2. Blade A520

    130 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. V3 Viper

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Blade A520

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

V3 Viper has approximately 13.3% more rectangular screen area than Blade A520.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for V3 Viper, Blade A520, compared at the same storage capacity.
StorageV3 ViperBlade A520
32 GB 3 GB RAM Unknown
Blade A520: Original memory entry

16 GB · 2 GB RAM 8 GB · 1 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. V3 Viper

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. Blade A520

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. V3 Viper

    3000 mAh

    +600 mAh versus Blade A520

  2. 2. Blade A520

    2400 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. V3 Viper2. Blade A520

Everyday essentials
Everyday essentials — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
Dimensions (HxWxD)
  • 148.3 Х 71.8 Х 8.1 mm
  • 144 Х 71 Х 8.4 mm
Weight
  • 143.6 g
  • 130 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 16 GB
  • 2 GB RAM 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.0 (Oreo)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6737 (28 nm)
  • Mediatek MT6737 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 68.9 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 143.3 Х 73.3 Х 9.2 mm
  • 67.4%
PPI /points per inch/
  • 293 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 13 MP
  • 8 MP or 2 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Quad-core 1.25 GHz Cortex-A53
Graphics processor GPU
  • Mali-T720MP2
  • Mali-T720MP2
Antutu 7 score *
  • 30202
  • 27862
GeekBench 4 Single Core * Unknown
  • 517
GeekBench 4 Multi-Core * Unknown
  • 1442
General specs
General specs — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
Release date
  • 2018
  • January
  • 2017
  • March
Colors
  • Black
  • Sandy Silver
  • Gold
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 80 EUR
Communication and Connectivity
Communication and Connectivity — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Android 4.4.2 (KitKat)
  • A2DP
  • Super AMOLED
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 1.26 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for V3 Viper, Blade A520.
SpecificationV3 ViperBlade A520
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - For Europe
  • Sensors Accelerometer